April 1-  Required Minimum Distribtions (RMD’s) must be made to terminated vested participants who attained age 70 1/2 in or prior to 2011.

April 2-  Form 1099-R, W-3 and W-2 must be filed electonically if not filed in writing prior to 2/29

April 15-  Excess deferrals and allocable income refunds must be made .

April 15-  Extensions on any forms must be filed.